Pregnant women can experience symptoms such as headache and abdominal pain in the middle gestation.

孕妇在妊娠中期能会出现头痛、腹痛等症状。

At the seventh week of gestation, Lucy began to vomit.

在妊娠第7周，露西开始呕吐。

After a long period of gestation, the project is finally going to be implemented.

经过长时间的酝酿，项目终于要实施了。

The gestation period of a horse is about eleven months.

马的怀孕期大约为十一个月。

The gestation period can be anything between 95 and 150 days.

妊娠期从95天至150天不等。

Extraembryonic mesoderm migrates through primitive streak to the presumptive yolk sac between days 6.5 and 7.0 of gestation.

胚外中胚层在妊娠的第6.5至7.0天之间通过原始条带迁移到推测的卵黄囊。

What is the gestation (pregnancy) period of a wolf?

狼的怀孕周期是多长？

Preterm is defined as less than 34 weeks' gestation.

胎龄未满34周为早产儿。